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Finding the Fourth Proportional to 58,605.45, 80,880.48 and 33,116.46

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Solution

The fourth proportional to 58,605.45, 80,880.48 and 33,116.46 is: 45,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,605.45 : 80,880.48 = 33,116.46 : x
  2. Step 2: Convert to fraction form
    58,605.45/80,880.48 = 33,116.46/x
  3. Step 3: Cross multiply
    58,605.45x = 80,880.48 × 33,116.46
  4. Step 4: Simplify right side
    58,605.45x = 2,678,475,180.70
  5. Step 5: Solve for x
    x = 2,678,475,180.70/58,605.45
  6. Step 6: Final answer
    x = 45,703.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.